linux/block
Ming Lei 85672ca9ce block: avoid to reuse `hctx` not removed from cpuhp callback list
If the 'hctx' isn't removed from cpuhp callback list, we can't reuse it,
otherwise use-after-free may be triggered.

Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202412172217.b906db7c-lkp@intel.com
Tested-by: kernel test robot <oliver.sang@intel.com>
Fixes: 22465bbac5 ("blk-mq: move cpuhp callback registering out of q->sysfs_lock")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20241218101617.3275704-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-12-18 07:25:37 -07:00
..
partitions block: add partition uuid into uevent as "PARTUUID" 2024-10-22 08:15:17 -06:00
Kconfig
Kconfig.iosched
Makefile
badblocks.c
bdev.c block/bdev: use helper for max block size check 2024-12-18 07:22:30 -07:00
bfq-cgroup.c Revert "block, bfq: merge bfq_release_process_ref() into bfq_put_cooperator()" 2024-11-19 19:05:32 -07:00
bfq-iosched.c block, bfq: fix bfqq uaf in bfq_limit_depth() 2024-11-29 08:42:14 -07:00
bfq-iosched.h
bfq-wf2q.c
bio-integrity.c blk-integrity: remove seed for user mapped buffers 2024-10-30 07:49:32 -06:00
bio.c block: Make bio_iov_bvec_set() accept pointer to const iov_iter 2024-12-12 08:43:28 -07:00
blk-cgroup-fc-appid.c
blk-cgroup-rwstat.c
blk-cgroup-rwstat.h
blk-cgroup.c blk-cgroup: Fix UAF in blkcg_unpin_online() 2024-12-10 09:17:00 -07:00
blk-cgroup.h
blk-core.c block: add a rq_list type 2024-11-13 12:04:58 -07:00
blk-crypto-fallback.c block: Rework bio_split() return value 2024-11-11 08:35:46 -07:00
blk-crypto-internal.h
blk-crypto-profile.c
blk-crypto-sysfs.c
blk-crypto.c
blk-flush.c
blk-ia-ranges.c
blk-integrity.c blk-integrity: remove seed for user mapped buffers 2024-10-30 07:49:32 -06:00
blk-ioc.c block: replace call_rcu by kfree_rcu for simple kmem_cache_free callback 2024-10-22 08:16:40 -06:00
blk-iocost.c blk-iocost: Avoid using clamp() on inuse in __propagate_weights() 2024-12-12 11:48:14 -07:00
blk-iolatency.c
blk-ioprio.c
blk-ioprio.h
blk-lib.c
blk-map.c block: Make bio_iov_bvec_set() accept pointer to const iov_iter 2024-12-12 08:43:28 -07:00
blk-merge.c block: req->bio is always set in the merge code 2024-11-19 19:06:57 -07:00
blk-mq-cpumap.c
blk-mq-debugfs.c
blk-mq-debugfs.h
blk-mq-pci.c
blk-mq-sched.c
blk-mq-sched.h
blk-mq-sysfs.c block: Revert "block: Fix potential deadlock while freezing queue and acquiring sysfs_lock" 2024-12-18 07:25:37 -07:00
blk-mq-tag.c
blk-mq-virtio.c
blk-mq.c block: avoid to reuse `hctx` not removed from cpuhp callback list 2024-12-18 07:25:37 -07:00
blk-mq.h block: add a rq_list type 2024-11-13 12:04:58 -07:00
blk-pm.c
blk-pm.h
blk-rq-qos.c block: remove redundant explicit memory barrier from rq_qos waiter and waker 2024-10-22 14:05:09 -06:00
blk-rq-qos.h
blk-settings.c block: Support atomic writes limits for stacked devices 2024-11-19 10:30:02 -07:00
blk-stat.c
blk-stat.h
blk-sysfs.c block: Revert "block: Fix potential deadlock while freezing queue and acquiring sysfs_lock" 2024-12-18 07:25:37 -07:00
blk-throttle.c block: flush all throttled bios when deleting the cgroup 2024-10-22 08:16:43 -06:00
blk-throttle.h
blk-timeout.c
blk-wbt.c
blk-wbt.h
blk-zoned.c block: get wp_offset by bdev_offset_from_zone_start 2024-12-10 13:24:24 -07:00
blk.h block: lift bio_is_zone_append to bio.h 2024-11-11 09:06:45 -07:00
bounce.c
bsg-lib.c
bsg.c
disk-events.c
early-lookup.c
elevator.c block: don't verify IO lock for freeze/unfreeze in elevator_init_mq() 2024-11-07 16:27:22 -07:00
elevator.h block: return void from the queue_sysfs_entry load_module method 2024-10-22 08:16:22 -06:00
fops.c block: Don't allow an atomic write be truncated in blkdev_write_iter() 2024-11-27 15:04:57 -07:00
genhd.c block: fix uaf for flush rq while iterating tags 2024-11-18 18:31:57 -07:00
holder.c
ioctl.c block: implement async io_uring discard cmd 2024-09-11 10:45:28 -06:00
ioprio.c
kyber-iosched.c
mq-deadline.c mq-deadline: Remove a local variable 2024-12-13 08:09:43 -07:00
opal_proto.h
sed-opal.c block: sed-opal: add ioctl IOC_OPAL_SET_SID_PW 2024-10-22 08:16:40 -06:00
t10-pi.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00